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<title>omp_get_max_threads (GNU libgomp)</title>

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Next: <a href="omp_005fget_005fnested.html" accesskey="n" rel="next"><code class="code">omp_get_nested</code> &ndash; Nested parallel regions</a>, Previous: <a href="omp_005fget_005fmax_005fteams.html" accesskey="p" rel="prev"><code class="code">omp_get_max_teams</code> &ndash; Maximum number of teams of teams region</a>, Up: <a href="Runtime-Library-Routines.html" accesskey="u" rel="up">OpenMP Runtime Library Routines</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Library-Index.html" title="Index" rel="index">Index</a>]</p>
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<h3 class="section" id="omp_005fget_005fmax_005fthreads-_002d_002d-Maximum-number-of-threads-of-parallel-region"><span>3.12 <code class="code">omp_get_max_threads</code> &ndash; Maximum number of threads of parallel region<a class="copiable-link" href="#omp_005fget_005fmax_005fthreads-_002d_002d-Maximum-number-of-threads-of-parallel-region"> &para;</a></span></h3>
<dl class="table">
<dt><em class="emph">Description</em>:</dt>
<dd><p>Return the maximum number of threads used for the current parallel region
that does not use the clause <code class="code">num_threads</code>.
</p>
</dd>
<dt><em class="emph">C/C++</em>:</dt>
<dd><table class="multitable">
<tbody><tr><td width="20%"><em class="emph">Prototype</em>:</td><td width="80%"><code class="code">int omp_get_max_threads(void);</code></td></tr>
</tbody>
</table>

</dd>
<dt><em class="emph">Fortran</em>:</dt>
<dd><table class="multitable">
<tbody><tr><td width="20%"><em class="emph">Interface</em>:</td><td width="80%"><code class="code">integer function omp_get_max_threads()</code></td></tr>
</tbody>
</table>

</dd>
<dt><em class="emph">See also</em>:</dt>
<dd><p><a class="ref" href="omp_005fset_005fnum_005fthreads.html"><code class="code">omp_set_num_threads</code> &ndash; Set upper team size limit</a>, <a class="ref" href="omp_005fset_005fdynamic.html"><code class="code">omp_set_dynamic</code> &ndash; Enable/disable dynamic teams</a>, <a class="ref" href="omp_005fget_005fthread_005flimit.html"><code class="code">omp_get_thread_limit</code> &ndash; Maximum number of threads</a>
</p>
</dd>
<dt><em class="emph">Reference</em>:</dt>
<dd><p><a class="uref" href="https://www.openmp.org">OpenMP specification v4.5</a>, Section 3.2.3.
</p></dd>
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